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Test tube closures ensure samples do not leak or are contaminated by providing a reliable seal. Securely mix or store small samples with these tops that allow one-handed sealing. Offered in a variety of colors, identification is made easier. Closures come in screw and snug-fit plug designs to fit any test tube opening style. Resistant to high temperatures, the versatile test tube closures can withstand heating applications while the chemical resistance guarantees limitless sample compatibility.
Description:
Size; 18-415. Approx. Cap Height (mm); 18 Cap is made of a special phenolic material (mineral filled) to withstand the effects of repeated autoclaving.
Description:
One-piece, autoclavable, polypropylene clamp that eliminates knot tying for dialysis tubing. Locks over end of tubing, ensuring strong leakproof seal. For best results, select one that is 4 to 10mm longer than the flat width of the tubing. Gripping width: up to 75mm.
Description:
Thread Size: 18-415; Liner Type: fluoropolymer resin. Cap for use with CG-190 G.P.I. screw thread tube. Part numbers CG-191-01 through CG-191-12 are made of black plastic with a choice of white rubber or fluoropolymer resin liner.
Description:
Screw cap for external thread sample tubes, Color: Gray, Made of polypropylene. Ensures a positive leakproof seal at all temperatures. Features a long skirt & super-fast thread design. Autoclavable, Same coefficient of expansion as the tubes.
Description:
Blue. Nylon closure locks gently over rigid membranes such as cellulose ester (CE) and polyvinylidene fluoride (type F). Provides strong, leak-proof seal. Sinks in water. Can be sterilized with gamma radiation, ethylene oxide, ethanol, or formaldehyde. Not autoclavable.
Description:
Disposable. Serve as a closure for KIM-RAK* culture tube systems or other culture tubes of comparable sizes. Autoclavable. For tube OD 25mm. Blue.
Description:
Dialysis Tubing Closures, Standard Type, Spectra/Por, Blue, 90 mm sealing width, polypropylene (PP), 10/package; for leak-proof seal & buoyancy of tubing flat-widths 60-80 mm, use ONLY with Standard & Biotech Grade Regenerated Cellulose (RC) membrane types, autoclavable
Description:
Are an effective way to recap blood drawing tubes, Glass test tubes an dplastic culture tubes. precision molded from ldpe and maintain a tight seal during centrifugation, 13mm, pe, for 13mm Glass and evacuated tubes and 12mm plastic test tubes, blue.
Description:
Diamond Culture Tube Cap, Material: Molded from durable, autoclavable polypropylene, Color: Green, For 18mm Glass Culture Tubes, Fit plain end culture tubes and flasks with DeLong style necks or ports, Ridges inside cap provide secure grip and gas exchange, Sterile
Description:
Disposable. Serve as a closure for KIM-RAK* culture tube systems or other culture tubes of comparable sizes. Autoclavable. For tube OD 20mm. Red.
Description:
Microcentrifuge Tube Flat Top Cap With O-Ring Seal. Made Of Polyethylene. Certified Rnase-, Dnase-, Pyrogen- And Dna-Free. Will Withstand Temperatures From -196C To +110C. Cs/1000. Green.
Description:
Phenolic resin screw cap with rubber liner. For use with 10ml conical-bottom centrifuge tube (21052-002). Withstands effects of repeated autoclaving. Meets ASTM E982, Class A requirements.
Description:
Open Black Septum Screw Cap (Type 34S, 41, 43, 46, 46FL), made of polypropylene with poly-vinyl liner, Replaceable inserts are made of 50% rubber (on the injectable side) and 50% PTFE (on the bottom side)
Description:
NMR Tube Cap, 5mm, Pk./100. Color: Black. Made from polyethylene, these caps are sized to fit 5mm O.D. NMR sample tubes. Cap fits tightly to stay in place during increased internal vaporization pressure.
Description:
For blood collection and glass or plastic test tubes. Seals inside rim of 16mm, and seals outside rim of 12 and 13mm tubes. Protects against evaporation. Packaged 1000 closures per pack, 10 packs per case. Green.
Description:
For use with test tubes and flasks. Proven non-toxic to algae. Plug springs back to original shape after repeated use. Autoclavable and chemically resistant. For OD 46 to 65mm.
Description:
Screw cap for internal thread sample tube, with/without silicone washer between cap/tube to ensure a positive leakproof seal at all temperatures, Material: Polypropylene, Autoclavable, long skirt and super-fast thread design, removed or screwed on with 1 1/4turn, Colour: Orange
Description:
Yellow. Nylon closure locks gently over rigid membranes such as cellulose ester (CE) and polyvinylidene fluoride (type F). Provides strong, leak-proof seal. Sinks in water. Can be sterilized with gamma radiation, ethylene oxide, ethanol, or formaldehyde. Not autoclavable.
Description:
Replacement Components. #9 Compression Cap. Adapter has the listed size of Chem-Thread at the top for a vacuum tight seal of a variety of tubing diameters. Will accept glass, metal or heavy wall plastic tubes having diameters between 7 to 18mm O.D.
Description:
For blood collection and glass or plastic test tubes. Seals inside rim of 16mm, and seals outside rim of 12 and 13mm tubes. Protects against evaporation. Packaged 1000 closures per pack, 10 packs per case. Black.
Description:
Thread Size: 38-430; Liner Type: Rubber. Cap for use with CG-190 G.P.I. screw thread tube. Part numbers CG-191-01 through CG-191-12 are made of black plastic with a choice of white rubber or fluoropolymer resin liner.
Description:
Thread Size: 13-425; Liner Type: fluoropolymer resin. Cap for use with CG-190 G.P.I. screw thread tube. Part numbers CG-191-01 through CG-191-12 are made of black plastic with a choice of white rubber or fluoropolymer resin liner.
Description:
Microcentrifuge Tube Cap With Lip Seal Design. Use With T345 For Color Coding Sample Identification. Made Of Polyethylene. Certified Rnase-, Dnase-, Pyrogen- And Dna-Free. Will Withstand Temperatures From -196C To +110C. Cs/1000. Yellow
Description:
Ideal for resealing most 13mm evacuated glass blood collection tubes and Elkay 12mm plastic test tubes. Thumb tab for easy on/off. Caution: Not to be used with glass culture tubes. Designed for glass blood collection tubes.
Description:
Pierce-It* Closure, 16mm yellow, Made of thermoplastic elastomer, These disposable closures produce a firm, leak-resistant seal for glass and plastic tubes, They will protect samples from evaporation and contamination
Description:
Thread Size: 38-430; Liner Type: fluoropolymer resin. Cap for use with CG-190 G.P.I. screw thread tube. Part numbers CG-191-01 through CG-191-12 are made of black plastic with a choice of white rubber or fluoropolymer resin liner.
Description:
Ideal for resealing most 13mm evacuated glass blood collection tubes and Elkay 12mm plastic test tubes. Thumb tab for easy on/off. Caution: Not to be used with glass culture tubes. Designed for glass blood collection tubes.
Description:
Are an effective way to recap blood drawing tubes, Glass test tubes and plastic culture tubes. precision molded from ldpe and maintain a tight seal during centrifugation, 13mm, pe, for 13mm Glass and evacuated tubes and 12mm plastic test tubes, red.
Description:
Disposable. Serve as a closure for KIM-RAK* culture tube systems or other culture tubes of comparable sizes. Autoclavable. For tube OD 25mm. Green.
Description:
When a Weighted Closure is used in conjunction with a regular closure, a vertical position of the dialysis tubing is achieved, increasing the rate of dialysis.
Description:
Microcentrifuge Tube Cap Witho-Ring Seal Design And Attachment Loop. Use With T345 For Color Coding Sample Identification. Made Of Polyethylene. Certified Rnase-, Dnase-, Pyrogen- And Dna-Free. Will Withstand Temperatures From -196C To +110C. Cs/1000. Brown
Description:
Color: red. With silicone washer for leakproof seal. Polypropylene. Features a long skirt and a super-fast thread design that allows it to be removed or sealed with a single turn.
Description:
Disposable. Serve as a closure for KIM-RAK* culture tube systems or other culture tubes of comparable sizes. Autoclavable. For tube OD 13mm. Green.
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